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https://github.com/IcedRooibos/py32f0-template.git
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80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/**
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******************************************************************************
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* @file main.c
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* @author MCU Application Team
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* @brief Main program body
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) Puya Semiconductor Co.
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* All rights reserved.</center></h2>
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*
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* <h2><center>© Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under BSD 3-Clause license,
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* the "License"; You may not use this file except in compliance with the
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* License. You may obtain a copy of the License at:
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* opensource.org/licenses/BSD-3-Clause
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*
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******************************************************************************
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*/
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#include "main.h"
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#include "py32f0xx_bsp_printf.h"
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static void APP_SystemClockConfig(void);
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static void APP_GPIOConfig(void);
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int main(void)
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{
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APP_SystemClockConfig();
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APP_GPIOConfig();
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BSP_USART_Config(115200);
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printf("PY32F0xx GPIO Example\r\nClock: %ld\r\n", SystemCoreClock);
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while (1)
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{
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LL_GPIO_TogglePin(GPIOA, LL_GPIO_PIN_0);
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printf("echo\r\n");
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LL_mDelay(500);
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}
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}
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static void APP_SystemClockConfig(void)
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{
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LL_RCC_HSI_Enable();
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while(LL_RCC_HSI_IsReady() != 1);
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LL_RCC_SetAHBPrescaler(LL_RCC_SYSCLK_DIV_1);
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LL_RCC_SetSysClkSource(LL_RCC_SYS_CLKSOURCE_HSISYS);
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while(LL_RCC_GetSysClkSource() != LL_RCC_SYS_CLKSOURCE_STATUS_HSISYS);
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LL_RCC_SetAPB1Prescaler(LL_RCC_APB1_DIV_1);
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LL_Init1msTick(8000000);
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LL_SetSystemCoreClock(8000000);
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}
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static void APP_GPIOConfig(void)
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{
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// PA0
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LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOA);
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LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_0, LL_GPIO_MODE_OUTPUT);
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}
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void APP_ErrorHandler(void)
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{
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while (1);
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}
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#ifdef USE_FULL_ASSERT
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void assert_failed(uint8_t *file, uint32_t line)
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{
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while (1);
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}
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#endif /* USE_FULL_ASSERT */
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